There are several reasons why having a single sign-on in place is important. Firstly, it reduces the burden on users who would otherwise need to remember multiple usernames and passwords. This can lead to password fatigue, where users choose weak passwords or reuse the same password across multiple systems, which can compromise security.

Secondly, implementing SSO can help organizations improve security by reducing the risk of password-related security breaches. With SSO, users only need to remember one strong password, which can be enforced with stricter security policies, such as two-factor authentication.

Thirdly, SSO can improve productivity by reducing the time and effort required to log in to different systems. Users can quickly access the applications they need without having to repeatedly enter their credentials.

Finally, SSO can help organizations streamline their IT operations by reducing the number of help desk requests related to password resets and account lockouts. This can free up IT staff to focus on more strategic initiatives and reduce the overall cost of managing user accounts.

In summary, implementing SSO can provide several benefits, including improved security, increased productivity, and streamlined IT operations.